CN115072499A

CN115072499A - Universal telescopic cloth curtain device

Info

Publication number: CN115072499A
Application number: CN202210757643.5A
Authority: CN
Inventors: 胡刚; 王旖琳; 魏义丰; 姜勇; 叶志明; 王成东; 陈于洪
Original assignee: Panzhihua Power Supply Co Of State Grid Sichuan Electric Power Corp
Current assignee: Panzhihua Power Supply Co Of State Grid Sichuan Electric Power Corp
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-20
Anticipated expiration: 2042-06-30
Also published as: CN115072499B

Abstract

The invention relates to the technical field of safety warning, and discloses a universal telescopic cloth curtain device, which comprises: the top of the fixed cross rod is detachably connected with a plurality of mounting codes for fixing the fixed cross rod on the protection screen cabinet; the brake rebound mechanism is arranged inside the winding drum; telescopic guide mechanism, including m from the top down area, highly the sleeve that progressively reduces, m is for being greater than 1 positive integer, and the sleeve that is located the superiors fixes one of them or two the below of fixing base, the sleeve fixed connection that is located the lower floor are in on the underbeam, telescopic below is equipped with the opening, and is nth the sleeve is equipped with in the face of the cloth veil one side and can be close to or keep away from the deflector of cloth veil, n ∈ [2, m ]. According to the invention, by arranging the telescopic guide plate, the red cloth mantle can be prevented from being folded in the unfolding process along with the unfolding and extension of the red cloth mantle.

Description

Universal telescopic cloth curtain device

Technical Field

The invention relates to the technical field of safety warning, in particular to a universal telescopic cloth mantle device.

Background

A relay protection device monitors the normal operation of an electric power system and is an important component of the electric power system. When a component of a power system to be protected has a fault, a relay protection device of the component should operate promptly and accurately to isolate the fault. The nearest circuit breaker sends a tripping command to disconnect the fault element from the power system in time, so that the damage to the element of the power system is reduced to the maximum extent, and the influence on the safe power supply of the power system is reduced. In the electric power maintenance work, because corresponding five-prevention function can not satisfy the requirement that corresponds, receive the influence of factors such as operating personnel energy dispersion easily, dangerous phenomena such as the mistake is gone into electrified interval, the mistake is divided, mistake closes the switch can take place sometimes, for the safety of further assurance production site work in operation equipment, reliable, and maintainer's personal safety, "operation equipment" red cloth mantle is as a basic technical measure of electric power safety work, extensively apply to the safety measure who overhauls in having a power failure to play the effect that the field personnel of warning distinguish the maintenance screen cabinet that has a power failure and adjacent electrified operation screen cabinet.

Use, the recovery condition according to current operation red cloth mantle statistics, analysis, discovery each stand reserve red cloth mantle is magnetic stripe formula or hanging wire suspension type mostly, and the operation personnel is difficult to accomplish fixedly when arranging safety measure, and the red cloth mantle easily drops, leads to safety measure incomplete, threatens person, equipment, electric wire netting safety. Consequently, partial intelligent red cloth curtain device has appeared, for example, CN201921882793.9 a curtain formula red cloth curtain is rolled up to intelligence (being called "the former case"), discloses a curtain formula red cloth curtain is rolled up to intelligence, including rolling up case (1), its characterized in that: the rolling box (1) is fixedly arranged on a screen head of a screen cabinet, one end of the rolling box (1) is fixedly connected with a servo motor (2), guide plates (3) are arranged on two sides of the bottom end of the rolling box (1), a red cloth curtain (4) is arranged between the two guide plates (3), one end of the red cloth curtain (4) is positioned in the rolling box (1), the other end of the red cloth curtain (4) is connected with a connecting plate (5), a balancing weight (6) is arranged in the middle of the bottom end of the connecting plate (5), sliding plates (7) are fixedly connected with two ends of the connecting plate (5), the sliding plates (7) are positioned in sliding grooves (8) formed in the guide plates (3), extension blocks (9) are fixedly connected with the bottom end of each sliding plate (7), roller grooves (10) are formed in the inner walls of two sides of each sliding groove (8), guide wheels (11) are movably connected in the roller grooves (10), leading wheel (11) are corresponding with slide (7), red cloth curtain (4) are including red cloth curtain body (12), the outside of red cloth curtain body (12) is provided with reflector layer (13), the inboard of red cloth curtain body (12) is provided with metal mesh layer (14), through being provided with two deflectors in the bottom of rolling up the case, the deflector has played the effect of direction to the connecting plate, make the connecting plate drive the vertical reciprocating of red cloth curtain, can not take place the skew, prevent simultaneously that the red cloth curtain from appearing undulantly, through be provided with the balancing weight on the connecting plate, make the connecting plate can drive red cloth curtain downwardly moving, avoid the red cloth curtain fold to appear in the in-process that removes simultaneously. Although setting up the deflector and can avoiding the fold to appear at the in-process that removes to the red cloth mantle, setting up such deflector, be unfavorable for when not needing to use the red cloth mantle to the receipts of red cloth mantle pick up, place.

Disclosure of Invention

The invention provides a universal telescopic cloth curtain device which is provided with a telescopic guide plate, wherein the telescopic guide plate can be extended along with the expansion of the cloth curtain, so that the cloth curtain can be prevented from being folded in the expansion process, and when the cloth curtain is not required to be used, the guide plate is shortened along with the recovery of the cloth curtain in the process of recovering the cloth curtain, and the integral cloth curtain can be conveniently collected and placed.

The invention is realized by the following technical scheme:

a universal, telescopic cloth screen apparatus comprising:

the top of the fixed cross rod is detachably connected with a plurality of mounting codes for fixing the fixed cross rod on the protection screen cabinet, the number of the fixing seats is two, the two fixing seats are respectively and fixedly connected to two ends of the fixed cross rod, one end of the cloth curtain is fixedly connected to the winding drum, and the other end of the cloth curtain is fixedly connected with a lower beam; the two ends of the winding drum are respectively and fixedly connected with a rotating seat, the two rotating seats are respectively and rotatably connected with the fixed seat, and a gap is formed between the fixed cross rod and the winding drum;

the brake rebounding mechanism is arranged in the winding drum and used for rotating the winding drum when the cloth screen is unfolded downwards so that the cloth screen can be stopped at any position; when the cloth mantle needs to be collected, a downward force is applied to the cloth mantle, so that the winding drum can rotate to complete the recovery of the cloth mantle;

the telescopic guide mechanism comprises m sleeves with the volume from top to bottom and the height gradually reduced, wherein m is a positive integer larger than 1, the sleeve positioned on the uppermost layer is fixed below one or two of the fixing seats, the sleeve positioned on the lowermost layer is fixedly connected on the lower beam, an opening is arranged below the sleeve, one surface of the nth sleeve facing the cloth curtain is provided with a guide plate which can be close to or far away from the cloth curtain, n belongs to [2, m ], one side of the sleeve positioned on the uppermost layer facing the cloth curtain is provided with a first vertical downward guide groove corresponding to the position of the cloth curtain, the guide plate surface is provided with a second guide groove corresponding to the position of one side of the cloth curtain corresponding to the position of the cloth curtain, the first guide groove and the second guide groove are coaxially arranged, the cloth curtain is positioned in the first guide groove and the second guide groove when being unfolded, and when the nth guide plate corresponding to the sleeve is far away from the cloth curtain, the nth sleeve and the corresponding guide plate can be connected in the (n-1) th first space of the sleeve in a sliding mode through the opening of the (n-1) th sleeve, and the nth sleeve is prevented from sliding out of the (n-1) th first space of the sleeve through a limiting mechanism arranged below the inner side wall of the (n-1) th sleeve.

In the technical scheme, the mounting codes can be fixedly mounted on the protection screen cabinet, when the cloth screen is required to be used, the fixing cross rods are connected with the mounting codes, so that the integral cloth screen device can be fixed with the protection screen cabinet, and the cloth screen can be stopped at any position by rotating the winding drum through the brake rebounding mechanism when the cloth screen is unfolded downwards; when the cloth curtain needs to be folded, a downward force is given to the cloth curtain to enable the winding drum to rotate and complete the recovery of the cloth curtain, namely, the brake rebounding mechanism can enable the adjusted cloth curtain to lift in a certain range, the cloth curtain can be parked at any position and pulled down gently, one hand is placed, the cloth curtain can rebound to the winding drum, the operation is light and handy, the operation time is short, the telescopic guide mechanism is convenient for guiding the edge of the cloth curtain when the cloth curtain is unfolded or retracted to prevent the red cloth curtain from fluctuating, the cloth curtain is before being unfolded, part of the edge of the cloth curtain can be positioned in the first guide groove, in the unfolding process of the cloth curtain, the lower beam preferentially drives the sleeve at the lowest layer (namely, the mth sleeve) to slide downwards, at the moment, the edge of the cloth curtain can slide along the first guide groove, when the guide plate corresponding to the mth sleeve slides out of the first space of the (m-1) th sleeve completely, the guide plate is close to the cloth screen until the cloth screen is positioned in the second guide groove, at the moment, the mth sleeve is limited to the (m-1) th sleeve through the limiting block, at the moment, the (m-1) th sleeve slides downwards, the actions are repeated until the lower beam descends to a specified position.

As optimization, nth the sleeve is faced four corners of a side of cloth curtain are inwards sunken respectively and are equipped with first recess, first recess with the setting of staggering in first space, the deflector is close to four corners difference fixedly connected with of telescopic one side with the connecting block that first recess corresponds, first recess is kept away from the lateral wall of cloth curtain and the one end fixed connection of the first spring of level setting, the other end fixedly connected with slider of first spring, slider sliding connection be in the first recess, just the connecting block with slider fixed connection, be equipped with the stopper on the inside wall of the opening part of first recess.

In this way, the process of the guide plate approaching or departing the cloth veil can be realized.

As optimization, the upper side surface of the connecting block above the guide plate is gradually inclined downwards from the direction close to the cloth mantle, and the lower side surface of the connecting block above the guide plate is a horizontal plane; the lower side surface of the connecting block below the guide plate is gradually inclined upwards from the direction close to the cloth mantle, and the upper side surface of the connecting block below the guide plate is a horizontal plane.

Therefore, when the cloth screen is retracted, the bottom of the sleeve on the upper layer is contacted with the upper side surface of the connecting block above the guide plate in the process that the sleeve on the lower layer slides upwards to the inner part of the sleeve on the upper layer, so that the guide plate is driven by the connecting block to approach towards the sleeve, and the guide plate and the sleeve enter the first space of the sleeve on the upper layer; the first space of the sleeve of the upper layer is slightly larger than the size of the sleeve and the guide plate of the lower layer, so that the guide plate of the lower layer moves a distance in the direction away from the sleeve of the lower layer after entering the first space of the sleeve of the upper layer; when the cloth curtain expandes, can pull out the telescopic first space of the deflector follow upper strata of the sleeve that is located lower floor and lower floor, at the in-process of pulling out, when the downside contact stop gear of the connecting block of the below of the deflector of lower floor, can make the deflector of lower floor to be close to the sleeve direction motion of lower floor, make the sleeve and the deflector of lower floor can pass through the opening smoothly, outside the complete roll-off of the deflector of lower floor was to the sleeve of upper strata, this deflector moved to the sleeve direction of keeping away from the lower floor under the effect of first spring.

As the optimization, the h the sleeve is close to the lower part of the inside wall of cloth veil is equipped with the second recess, h epsilon [1, m-1], and the h the sleeve is smaller than the size of the telescopic first space of (h-1) th in addition to the size of corresponding deflector plate, second recess internal rotation is connected with first pivot, the first gyro wheel of outside fixedly connected with of first pivot, and the first gyro wheel in the sleeve of upper strata is located the connecting block that the sleeve of lower floor corresponds directly over, when the sleeve upwards slides, is located the deflector top the up side of connecting block with first gyro wheel contact, when the sleeve downwards slides, is located the deflector below the downside of connecting block with first gyro wheel contact.

Therefore, the friction between the sleeve of the upper layer and the first connecting rod of the lower layer can be reduced by arranging the first roller, so that the guide plate can be more easily close to or far away from the corresponding sleeve.

As the optimization, stop gear includes fixed connection and is at the nth first limiting plate at telescopic top, n epsilon [2, m ], the nth first limiting plate size and (n-1) individual telescopic first space size matches, and the nth first limiting plate and (n-1) individual telescopic inside wall sliding connection, the h individual the third recess has been seted up to the lower part of telescopic inside wall, the rotation of third recess is connected with the second pivot, the outside fixedly connected with second gyro wheel of second pivot, first gyro wheel and second gyro wheel are located same height and relative setting, the h individual the fillet has been seted up to the lower part that the lateral surface of sleeve is close to the second gyro wheel.

Like this, through setting up the second gyro wheel, not only can combine together as the function of "stopper" with first gyro wheel and carry on spacingly to first limiting plate, thereby carry on spacingly to the sleeve, when the sleeve of next floor is drawn downwards moreover, the second gyro wheel in the upper strata sleeve can reduce with the telescopic friction of next floor, the telescopic drawing of next floor of being convenient for is got, open the bottom that is close to the lateral surface of one side of second gyro wheel with the sleeve and establish to the fillet, with the cooperation of second gyro wheel, can further reduce the friction.

As optimization, still including setting up clamping mechanism in the second guide way, clamping mechanism includes the fourth recess at the guide way lateral wall of two relative settings, the fourth recess with the guide way intercommunication, two be equipped with the electric telescopic handle of relative setting in the fourth recess respectively, electric telescopic handle's direction of motion is on a parallel with the surface of deflector, electric telescopic handle's fixed end fixed connection be in on the lateral wall of fourth recess, electric telescopic handle's flexible end is kept away from and is corresponded the one end fixedly connected with splint of electric telescopic handle's stiff end, just the outside of splint is located in the guide way.

Like this, through clamping mechanism, can expand when using at the cloth valance, fix the cloth valance better, when avoiding blowing, the cloth valance flies up.

Preferably, the anti-skid layer is arranged on one side surface of each of the two clamping plates opposite to each other.

Therefore, the cloth curtain is convenient to clamp, and the cloth curtain arranged outside the protection screen cabinet is prevented from floating due to blowing.

Preferably, a pull rope is arranged in the middle of the bottom of the lower beam.

Thus, the cloth mantle is convenient to be pulled.

Preferably, the bottom of the lower beam is fixedly connected with a lock catch.

Therefore, the lock catch and the mechanical lock are locked by matching with the mechanical lock at the bottom of the protection screen cabinet, and the integrity of safety measures can be ensured.

Preferably, the cloth mantle is made of flexible transparent materials.

Therefore, maintenance personnel can observe the internal condition of the operation equipment in the protection screen cabinet conveniently.

Compared with the prior art, the invention has the following advantages and beneficial effects:

according to the invention, the telescopic guide plate is arranged, so that the cloth mantle can be prevented from being folded in the unfolding process along with the unfolding extension of the red cloth mantle, and when the cloth mantle is not required to be used, the guide plate is shortened along with the recovery of the cloth mantle in the cloth mantle recovery process, so that the integral cloth mantle can be conveniently collected, picked and placed.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of a universal telescopic cloth mantle apparatus of the present invention;

FIG. 2 is an exploded view of a generic telescopic cloth screen device without a telescopic guide mechanism;

FIG. 3 is a schematic view of the second layer of sleeves sliding out of the uppermost layer of sleeves;

FIG. 4 is a schematic structural view of the third layer of sleeves sliding out of the second layer of sleeves and the second layer of sleeves sliding out of the uppermost layer of sleeves;

FIG. 5 is an enlarged view of A in FIG. 3;

FIG. 6 is an enlarged view of B in FIG. 3;

FIG. 7 is a cross-sectional view of the uppermost sleeve;

FIG. 8 is a schematic view of the second layer of sleeves located in the uppermost layer of sleeves;

FIG. 9 is a schematic view of a non-uppermost sleeve configuration;

FIG. 10 is a bottom sectional view of FIG. 9;

FIG. 11 is a schematic view of a guide plate provided with a clamping mechanism;

FIG. 12 is a schematic view of the structure of FIG. 11 at another angle (no cloth veil on the left and a cloth veil on the right in FIG. 12).

Reference numbers and corresponding part names in the drawings:

the device comprises a fixed cross rod 1, a cloth curtain 2, a winding drum 3, a fixed seat 4, a mounting weight 5, a lower beam 6, a rotating seat 7, a sleeve 8, an opening 8a, a guide plate 8b, a first guide groove 8c, a second guide groove 8d, a first groove 8e, a connecting block 8f, a first spring 8g, a sliding block 8h, a first roller 8i, a first limiting plate 8j, a second roller 8k, a fourth groove 8l, an electric telescopic rod 8m, a clamping plate 8n and a pull rope 9.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

As shown in fig. 1-10, a universal telescopic cloth screen device comprises:

fixed horizontal pole 1, cloth mantle 2, reel 3 and fixing base 4, the top of fixed horizontal pole 1 can be dismantled and be connected with a plurality of will installation sign indicating number 5 on the protection screen cabinet is fixed to fixed horizontal pole 1, and is concrete, installation sign indicating number 5 can choose for use the conventional model on the market can, for example can purchase the installation sign indicating number 5 of silk rhinoceros on the net, and the connected mode of installation sign indicating number 5 and fixed horizontal pole 1 is prior art, has just no longer repeated here.

The two fixing seats 4 are respectively and fixedly connected to two ends of the fixed cross rod 1, one end of the cloth screen 2 is fixedly connected to the winding drum 3, and the other end of the cloth screen 2 is fixedly connected with a lower beam 6; two ends of the winding drum 3 are respectively and fixedly connected with a rotating seat 7, the two rotating seats 7 are respectively and rotatably connected with the fixed seat 4, and a gap is formed between the fixed cross rod 1 and the winding drum 3; this clearance is used for placing cloth curtain 2 when cloth curtain 2 rolling.

The brake rebounding mechanism is arranged inside the winding drum 3 and used for rotating the winding drum 3 when the cloth screen 2 is unfolded downwards so that the cloth screen 2 can be stopped at any position; when the cloth mantle 2 needs to be collected, a downward force is given to the cloth mantle 2, so that the winding drum 3 can rotate to complete the recovery of the cloth mantle 2.

The brake rebound mechanism is the prior art, and reference can be made to a winding control device in "CN 209070909U — a safety warning device for preventing misoperation of a distribution box", and details are not repeated here.

The telescopic guide mechanism comprises m sleeves 8 with the area gradually reduced from top to bottom, and m is a positive integer larger than 1. The sleeve 8 of upper strata overlaps the sleeve 8 cover of adjacent lower floor in this sleeve 8 of upper strata, and adjacent sleeve 8 forms "nesting child" relation one by one like this.

It is specific, be located the superiors sleeve 8 and fix one of them or two the below of fixing base 4 is located the lower floor's sleeve 8 fixed connection and is in on the underbeam 6, the below of sleeve 8 is equipped with opening 8a, nth the sleeve 8 is equipped with in the face of cloth veil 2 and can be close to or keep away from the deflector 8b of cloth veil 2, n ∈ [2, m ], and sleeve 8 is from last first sleeve 8, second sleeve 8 up to mth sleeve 8 down respectively, and the sleeve 8 of the lower floor is mth sleeve 8 promptly, consequently, all sleeves 8 except the sleeve 8 of the superiors all are connected with deflector 8 b.

The sleeve 8 that is located the superiors faces one side of cloth veil 2 corresponds the position of cloth veil 2 is equipped with vertical decurrent first guide way 8c, deflector 8b faces the position that one side of cloth veil 2 corresponds cloth veil 2 is equipped with second guide way 8d, first guide way 8c and the coaxial setting of second guide way 8d, be located when cloth veil 2 expandes in first guide way 8c and the second guide way 8 d. Because the uppermost sleeve 8 is fixed below the fixing seat 4, when the cloth screen 2 is in a rolled state, a part of the lower part of the side edge of the cloth screen 2 is positioned in the first guide groove 8 c.

When the lower sleeve 8 and the corresponding guide plate 8b slide out of the first space of the upper sleeve 8 and the guide plate 8b completely slides out of the first space of the upper sleeve 8, the guide plate 8b moves in a direction close to the cloth screen 2 until a part of the edge of the cloth screen 2 is located in the second guide groove 8 d.

When cloth veil 2 carries out the rolling, can be with nth the setting of cloth veil 2 is kept away from to the deflector 8b that sleeve 8 corresponds, be about to this deflector 8b to removing near corresponding sleeve 8, nth 8 sleeve and the deflector 8b accessible (n-1) that corresponds opening 8a sliding connection of sleeve 8 is in (n-1) th in sleeve 8's the first space, and prevent nth through the stop gear who sets up in the inside wall below of (n-1) th sleeve 8 slip-out (n-1) is individual outside sleeve 8's the first space.

In the technical scheme, the mounting weight 5 can be fixedly mounted on the protection screen cabinet, when the cloth screen 2 of the invention needs to be used, the fixed cross rod 1 is connected with the mounting weight 5, so that the integral cloth screen 2 device can be fixed with the protection screen cabinet, and the brake rebounding mechanism is used for rotating the winding drum 3 when the cloth screen 2 is unfolded downwards so as to stop the cloth screen 2 at any position; when the cloth curtain 2 needs to be retracted, a downward force is given to the cloth curtain 2, the winding drum 3 can be rotated, the recovery of the cloth curtain 2 is completed, namely, the brake rebounding mechanism can enable the adjustable cloth curtain 2 to lift in a certain range, the adjustable cloth curtain 2 can be parked at any position and pulled down gently, one hand is put on the adjustable cloth curtain 2, the cloth curtain 2 can rebound to the winding drum 3, the operation is light and handy, the operation time is short, the adjustable cloth curtain 2 guides the edge of the cloth curtain 2 when being unfolded or retracted through the telescopic guide mechanism, the red cloth curtain 2 is prevented from fluctuating, the cloth curtain 2 is unfolded, part of the edge of the cloth curtain 2 can be positioned in the first guide groove 8c, in the unfolding process of the cloth curtain 2, the lower beam 6 preferentially drives the sleeve 8 at the lowest layer (namely the mth sleeve 8) to slide downwards, at the moment, the edge of the cloth curtain 2 can slide along the first guide groove 8c, when the guide plate 8b corresponding to the mth sleeve 8 completely slides out of the first space (the first sleeve 8-1) of the m sleeve 8, this deflector 8b is close to the direction of cloth veil 2, and until the cloth veil 2 is located second guide way 8d, at this moment, the mth sleeve 8 is spacing to in (m-1) th sleeve 8 through the stopper, and at this moment, the (m-1) th sleeve 8 slides downwards, repeats above-mentioned action, and it is to appointed position to descend to the underbeam 6.

In this embodiment, nth sleeve 8 faces four corners of a side of cloth curtain 2 are inwards sunken respectively and are equipped with first recess 8e, first recess 8e with the setting of staggering in first space, deflector 8b is close to four corners of sleeve 8's one side respectively fixedly connected with the connecting block 8f that first recess 8e corresponds, first recess 8e is kept away from the lateral wall of cloth curtain 2 and the one end fixed connection of the spring 8g that the level set up, the other end fixedly connected with slider 8h of spring 8g, slider 8h sliding connection be in first recess 8e, just connecting block 8f with slider 8h fixed connection, be equipped with the stopper on the inside wall of the opening part of first recess 8 e. Here, can set up on the inside wall of the export of first recess 8e and carry out spacing stopper to slider 8h, connecting block 8f does not contact with the stopper at the gliding in-process of first recess 8e, and simultaneously, in order to guarantee the coaxial setting of second guide way 8d on the deflector 8b that every sleeve 8 corresponds, the length of first spout and connecting block 8f can set up according to actual conditions, the length of the connecting block 8f of lower floor can be longer than the length of the connecting block 8f of upper strata promptly, with the coaxial setting of second guide way 8d on the deflector 8b that guarantees that every sleeve 8 corresponds, and simultaneously, spring 8g is in compression state always.

In this way, a process of approaching or moving away the guide plate 8b to the cloth screen 2 can be achieved.

In this embodiment, the upper side of the connecting block 8f above the guide plate 8b is gradually inclined downward from the direction close to the cloth screen 2, and the lower side of the connecting block 8f above the guide plate 8b is a horizontal plane; the lower side surface of the connecting block 8f, which is positioned below the guide plate 8b, is gradually inclined upwards from the direction close to the cloth screen 2, and the upper side surface of the connecting block 8f, which is positioned below the guide plate 8b, is a horizontal plane.

Thus, when the cloth screen 2 is retracted, in the process that the sleeve 8 positioned on the next layer slides upwards into the sleeve 8 positioned on the previous layer, the bottom of the sleeve 8 positioned on the previous layer is contacted with the upper side surface of the connecting block 8f positioned above the guide plate 8b, so that the connecting block 8f can drive the guide plate 8b to approach towards the sleeve 8, and the guide plate 8b and the sleeve 8 enter the first space of the sleeve 8 positioned on the previous layer; the first space of the sleeve 8 of the previous layer is slightly larger than the size of the sleeve 8 of the next layer and the upper guide plate 8b, so that the guide plate 8b of the next layer moves a distance away from the sleeve 8 of the next layer after entering the first space of the sleeve 8 of the previous layer; when the cloth curtain 2 is unfolded, the sleeve 8 positioned on the next layer and the guide plate 8b positioned on the next layer are pulled out from the first space of the sleeve 8 positioned on the previous layer, in the pulling process, when the lower side surface of the connecting block 8f below the guide plate 8b positioned on the next layer contacts the limiting mechanism, the guide plate 8b positioned on the next layer moves towards the direction close to the sleeve 8 positioned on the next layer, the sleeve 8 and the guide plate 8b positioned on the next layer can smoothly pass through the opening 8a, the guide plate 8b positioned on the next layer completely slides out of the sleeve 8 positioned on the previous layer, and the guide plate 8b moves towards the direction far away from the sleeve 8 positioned on the next layer under the action of the spring 8 g.

In this embodiment, the h th the sleeve 8 is close to the lower part of the inside wall of cloth veil 2 is equipped with the second recess, h ∈ [1, m-1], the inside wall of the sleeve 8 except the sleeve 8 of the lowermost layer all is equipped with the second recess promptly, and the h th the sleeve 8 plus the size of the corresponding deflector 8b is less than the size of the first space of the (h-1) th sleeve 8, set up the first space of the sleeve 8 of upper strata to be bigger than the size of the sleeve 8 of lower floor plus the deflector 8b, can hold lower floor's sleeve 8 and deflector 8b better like this.

The second recess internal rotation is connected with first pivot, the first gyro wheel 8i of outside fixedly connected with of first pivot, and the sleeve 8 of upper strata in first gyro wheel 8i be located the sleeve 8 of lower floor correspond directly over connecting block 8f, work as when sleeve 8 upwards slides, be located deflector 8b top the last side of connecting block 8f with first gyro wheel 8i contacts, work as when sleeve 8 slides down, be located deflector 8b below the downside of connecting block 8f with first gyro wheel 8i contacts.

When the lower sleeve 8 slides upwards, the upper first roller 8i contacts with the upper side surface of the first connecting rod positioned above the lower guide plate 8b, and because the upper side surface of the first connecting rod above the guide plate 8b is inclined downwards, when the lower sleeve 8 slides upwards, the first connecting rod also slides upwards, the first roller 8i can force the first connecting rod to slide inwards, and at the moment, the lower guide plate 8b is driven to be close to the lower sleeve 8.

Thus, by providing the first roller 8i, friction between the sleeve 8 of the previous layer and the first connecting rod of the next layer can be reduced, so that the guide plate 8b can be more easily moved closer to or farther from the corresponding sleeve 8.

In this embodiment, the limiting mechanism includes that fixed connection is at nth the first limiting plate 8j at the top of sleeve 8, n ∈ [2, m ], nth the size of first limiting plate 8j matches with (n-1) th the first space size of sleeve 8, and nth first limiting plate 8j and (n-1) th the inside wall sliding connection of sleeve 8, nth the third recess has been seted up to the lower part of the inside wall of sleeve 8, the third recess internal rotation is connected with the second pivot, the outside fixedly connected with second gyro wheel 8k of second pivot, first gyro wheel 8i and second gyro wheel 8k are located same height and set up relatively, and nth the fillet has been seted up to the lower part that sleeve 8 is close to the lateral surface of second gyro wheel 8 k.

Like this, through setting up second gyro wheel 8k, not only can combine together as the function of "stopper" with first gyro wheel 8i and carry on spacingly to first limiting plate 8j, thereby it is spacing to sleeve 8, and when the sleeve 8 of next floor was pulled down and was taken, second gyro wheel 8k in the upper sleeve 8 can reduce the friction with next floor sleeve 8, be convenient for pull of next floor sleeve 8 and take, open the bottom that is close to the lateral surface of one side of second gyro wheel 8k with sleeve 8 and establish to the fillet, with the cooperation of second gyro wheel 8k, can further reduce the friction.

Example 2

As shown in fig. 11-12, in this embodiment, the clamping device is further included and is arranged in the second guide groove 8d, the clamping device includes two relatively-arranged fourth grooves 8l on the side wall of the guide groove, the fourth grooves 8l are communicated with the guide groove, and two relatively-arranged electric telescopic rods 8m are respectively arranged in the fourth grooves 8l, the moving direction of the electric telescopic rods 8m is parallel to the surface of the guide plate 8b, the fixed ends of the electric telescopic rods 8m are fixedly connected to the side wall of the fourth grooves 8l, the telescopic ends of the electric telescopic rods 8m are far away from the clamping plate 8n which is fixedly connected to one end of the fixed end of the electric telescopic rods 8m, and the outer side of the clamping plate 8n is located in the guide groove.

Like this, through clamping mechanism, can expand when using at cloth curtain 2, fix cloth curtain 2 better, when avoiding blowing, cloth curtain 2 flies up.

In this embodiment, the two opposing side surfaces of the clamping plates 8n are provided with anti-slip layers.

Thus, the cloth curtain 2 is convenient to clamp, and the cloth curtain 2 arranged outside the protection screen cabinet is prevented from floating due to blowing.

In this embodiment, a pull rope 9 is provided at the bottom middle position of the lower beam 6.

Thus, the cloth mantle 2 is convenient to be pulled.

In this embodiment, a lock catch (shown as a mark) is fixedly connected to the bottom of the lower beam 6.

In this embodiment, the cloth mantle 2 is made of a flexible transparent material. The flexible transparent material can be selected according to the actual situation, such as PVC, polyamide elastomer, polyolefin elastomer and polyurethane elastomer.

Compared with the common fence, the telescopic cloth mantle device of the invention has the following advantages: 1. the safety measures are simple to arrange, and only the top is locked through the installation code; 2: the fixation is firm, and the swing or the falling is not easy; 3: the locking of the cloth mantle can be realized, and the correctness and reliability of safety measures are ensured; 4: convenient recovery and convenient storage and management.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A telescopic cloth curtain device of general type which characterized in that includes:

telescopic guide mechanism, including m from the top down area, the highly sleeve that all progressively reduces, m is the positive integer that is greater than 1, and the sleeve that is located the superiors is fixed in one of them or two the below of fixing base, and the sleeve fixed connection that is located the lower floor is in on the underbeam, the below of sleeve is equipped with the opening, nth the sleeve be equipped with in the face of cloth veil the deflector that can be close to or keep away from the cloth veil, n ∈ [2, m ], the sleeve that is located the superiors is equipped with vertical decurrent first guide way in the position that corresponds the cloth veil in the face of one side of cloth veil, the deflector face is to the position that corresponds the cloth veil in one side of cloth veil is equipped with the second guide way, first guide way and the coaxial setting of second guide way, the cloth veil lies in when expanding first guide way and second guide way, when nth the deflector that the sleeve corresponds keeps away from the cloth veil, the nth sleeve and the corresponding guide plate can be connected in the (n-1) th first space of the sleeve in a sliding mode through the opening of the (n-1) th sleeve, and the nth sleeve is prevented from sliding out of the (n-1) th first space of the sleeve through a limiting mechanism arranged below the inner side wall of the (n-1) th sleeve.

2. The telescopic cloth curtain device of a general type of claim 1, wherein nth the sleeve is faced four corners of a side of the cloth curtain and is equipped with first recess inwards sunken respectively, first recess with the setting of staggering of first space, the deflector is close to four corners of one side of the sleeve respectively fixedly connected with the connecting block that first recess corresponds, first recess is kept away from the lateral wall of cloth curtain and the one end fixed connection of the first spring of level setting, the other end fixedly connected with slider of first spring, slider sliding connection be in first recess, just the connecting block with slider fixed connection, be equipped with the stopper on the inside wall of the opening part of first recess.

3. A generic, telescopic cloth veil apparatus according to claim 2, characterized in that the upper side of the connecting block above the guide plate is inclined gradually downwards from the direction close to the cloth veil, and the lower side of the connecting block above the guide plate is a horizontal plane; the lower side surface of the connecting block below the guide plate is gradually inclined upwards from the direction close to the cloth mantle, and the upper side surface of the connecting block below the guide plate is a horizontal plane.

4. A telescopic cloth screen apparatus of the generic type as claimed in any one of claims 1 to 3, it is characterized in that the lower part of the h-th sleeve close to the inner side wall of the cloth curtain is provided with a second groove, h belongs to [1, m-1], and the size of the h-th said sleeve plus the corresponding guiding plate is smaller than the size of the first space of the (h-1) -th sleeve, a first rotating shaft is rotatably connected in the second groove, a first roller is fixedly connected at the outer side of the first rotating shaft, and the first roller in the sleeve on the upper layer is positioned right above the connecting block corresponding to the sleeve on the lower layer, when the sleeve slides upwards, the upper side surface of the connecting block positioned above the guide plate is contacted with the first roller, when the sleeve slides downward, the lower side surface of the connecting block located below the guide plate is in contact with the first roller.

5. The telescopic cloth curtain device of claim 4, wherein the limiting mechanism comprises a first limiting plate fixedly connected to the top of the nth sleeve, n belongs to [2, m ], the size of the nth first limiting plate is matched with the size of the (n-1) th first space of the sleeve, the nth first limiting plate is slidably connected with the (n-1) th inner side wall of the sleeve, a third groove is formed in the lower portion of the h-th inner side wall of the sleeve, a second rotating shaft is rotatably connected in the third groove, a second roller is fixedly connected to the outer side of the second rotating shaft, the first roller and the second roller are located at the same height and are oppositely arranged, and a fillet is formed in the h-th lower portion, close to the outer side face of the second roller, of the sleeve.

6. The telescopic cloth curtain device of claim 1, further comprising a clamping mechanism disposed in the second guide groove, wherein the clamping mechanism comprises two oppositely disposed fourth grooves on the side wall of the guide groove, the fourth grooves are communicated with the guide groove, two oppositely disposed electric telescopic rods are disposed in the fourth grooves respectively, the moving direction of the electric telescopic rods is parallel to the surface of the guide plate, the fixed ends of the electric telescopic rods are fixedly connected to the side wall of the fourth grooves, one end of each electric telescopic rod, which is far away from the fixed end corresponding to the electric telescopic rod, is fixedly connected with a clamping plate, and the outer side of the clamping plate is located in the guide groove.

7. A telescopic cloth screen apparatus of the general type as claimed in claim 6, in which the opposing sides of the two clamping plates are provided with anti-slip layers.

8. The telescopic cloth screen apparatus of claim 1, wherein a pull rope is provided at a bottom middle position of the lower beam.

9. A telescopic cloth screen apparatus of the general type as claimed in claim 1, in which the bottom of the lower beam is fixedly connected with a catch.

10. A generic, telescopic cloth screen apparatus as claimed in claim 1, in which the cloth screen is of flexible transparent material.